webmail.earth.ox.ac.uk

Issued by Trend Micro S2 CA

About this certificate


This digital certificate with serial number 7a:34:12:a7:b8:e6:e8:b4 was issued on by Trend Micro Inc .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

Cerificate errors/warnings *beta

  • ERROR: Certificate has key usage [KeyAgreement] set

University of Oxford

Organization: University of Oxford
State / Province: Oxfordshire
Locality: Oxford
Country: GB

Trend Micro Inc

Organization: Trend Micro Inc
State / Province: Oxfordshire
Locality: Oxford
Country: GB

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Certificate Details

Serial Number (hex): 7a:34:12:a7:b8:e6:e8:b4
Serial Number (int): 8805683682987141300
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: c6:78:44:a9:66:44:27:39:45:d0:62:16:9c:5a:81:38:13:e6:3b:c7
AuthorityKeyId: b0:99:e1:90:4e:f3:65:63:28:9c:12:3f:78:56:ba:84:c0:c7:3a:3d

Fingerprint (sha1): 21:e9:cd:8a:89:4d:e2:f4:e8:b5:04:ac:e7:ed:60:65:b7:81:20:5b
Fingerprint (sha256): c5:40:c2:e3:ad:44:0c:5d:b8:69:82:1b:ee:2d:52:90:d5:7f:74:01:29:7c:3a:09:94:30:34:e1:e8:14:06:dd

Issuing Certificate URL: http://ocsp.trendmicro.com/tms2ca.crt

Revocation information

OCSP Server: http://ocsp.trendmicro.com/tms2ca
CRL Distribution Point: http://crl.trendmicro.com/crl/tms2ca.crl

Check the revocation status for the current certificate on webmail.earth.ox.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA



Key Usage

Digital Signature
Key Encipherment
Key Agreement

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any other subject alternative names besides the common name of the subject: webmail.earth.ox.ac.uk

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEjDCCA3SgAwIBAgIIejQSp7jm6LQwDQYJKoZIhvcNAQELBQAwQzELMAkGA1UE BhMCVVMxGDAWBgNVBAoMD1RyZW5kIE1pY3JvIEluYzEaMBgGA1UEAwwRVHJlbmQg TWljcm8gUzIgQ0EwHhcNMTUxMTA2MTUxMDA0WhcNMTcxMTA2MTUxMDA0WjB0MQsw CQYDVQQGEwJHQjEUMBIGA1UECAwLT3hmb3Jkc2hpcmUxDzANBgNVBAcMBk94Zm9y ZDEdMBsGA1UECgwUVW5pdmVyc2l0eSBvZiBPeGZvcmQxHzAdBgNVBAMMFndlYm1h aWwuZWFydGgub3guYWMudWswggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB AQDBPV0lARDnGYMCLhFnZIgNNzicI3Fx+hFGxZberlvUW4ZewUW4TmTIgz/0iDHI GnFoH7LEc0dTNezTb07pyb4zFrJYw2Zd1Xwo7EMV+XoWIDz6Ck0VjWaGU6QPE5HO evUGTtco+i8hX09X/pfAOLwtQfemdgz3bQh0qY0gqjQEUODpoyyuRZxyYya2D5fx zZXtRSEZKmBhYYRIMs9qaBN8tJLUa/9y6EdxN/HB7hkgTd8GR/SaqouHcBi/m+ps 5tn2f6r5taLFRqJxr55C4wsr68kDFl6HAj7KRAWMx1xsisKVH60LNVU8XW3Q+MLx +yRfEwk0Bn9gkfjrKQyH33rnAgMBAAGjggFRMIIBTTBwBggrBgEFBQcBAQRkMGIw MQYIKwYBBQUHMAKGJWh0dHA6Ly9vY3NwLnRyZW5kbWljcm8uY29tL3RtczJjYS5j cnQwLQYIKwYBBQUHMAGGIWh0dHA6Ly9vY3NwLnRyZW5kbWljcm8uY29tL3RtczJj YTAdBgNVHQ4EFgQUxnhEqWZEJzlF0GIWnFqBOBPmO8cwDAYDVR0TAQH/BAIwADAf BgNVHSMEGDAWgBSwmeGQTvNlYyicEj94VrqEwMc6PTA5BgNVHR8EMjAwMC6gLKAq hihodHRwOi8vY3JsLnRyZW5kbWljcm8uY29tL2NybC90bXMyY2EuY3JsMA4GA1Ud DwEB/wQEAwIDqDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwIQYDVR0R BBowGIIWd2VibWFpbC5lYXJ0aC5veC5hYy51azANBgkqhkiG9w0BAQsFAAOCAQEA xr0fO0K79EOHah0ou3jt+sNioZ963hnZw0Hhw2rRLWHgDSjimRkrLtNWAndCXf+v kYGg/qQIqP4vrCxGjaUWOlhk2nfuH+f0awpfdFqZyPNL/96aBifZ3+hnMIZMplTv OgYF6iok61YHMMAO0yksxdKMVIaA6rFQ0mgWKhCfv/JgEGPIdsOGOAXNqCz5M2f5 KZn1DNJ6SR4TDv98hJdBHNwA1bnH3p6qnbqISsf38kQ26doQSLKsou7m7XKC7gWj 101Gj07LaGPXb25HQJW+o0VpALwxRgDhezjdmYPe8HzOn9sLb7dRDcHhBXtSqIQf eBzJdAoJGBy1PUvwAL+b7Q== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwT1dJQEQ5xmDAi4RZ2SI DTc4nCNxcfoRRsWW3q5b1FuGXsFFuE5kyIM/9IgxyBpxaB+yxHNHUzXs029O6cm+ MxayWMNmXdV8KOxDFfl6FiA8+gpNFY1mhlOkDxORznr1Bk7XKPovIV9PV/6XwDi8 LUH3pnYM920IdKmNIKo0BFDg6aMsrkWccmMmtg+X8c2V7UUhGSpgYWGESDLPamgT fLSS1Gv/cuhHcTfxwe4ZIE3fBkf0mqqLh3AYv5vqbObZ9n+q+bWixUaica+eQuML K+vJAxZehwI+ykQFjMdcbIrClR+tCzVVPF1t0PjC8fskXxMJNAZ/YJH46ykMh996 5wIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded

[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 8805683682987141300 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Trend Micro Inc' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Trend Micro S2 CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-11-06 15:10:04 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-06 15:10:04 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GB' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Oxfordshire' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Oxford' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'University of Oxford' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'webmail.earth.ox.ac.uk' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24394252498649284433710250906345506687235182087219209492459098157819891071552053746478842818033932320817650130048729302697130096942566173845779670564565365911065789873540422262647585324608345148664737777979171569065324117213260955351637217929356052017943343089682048553229196998808940603294008379458107053866453536559818261068911844856146558888337418402107731808426402450354911984066876240814459620577698697085370630193858100559431030526679547171062667047364538667241481433063438246884700322533880660387715661002914559034524654386453570510237706856044385690081008338493815656456299375771452617469270330565944894520039 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (100 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.trendmicro.com/tms2ca.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.trendmicro.com/tms2ca' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) c67844a96644273945d062169c5a813813e63bc7 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName b099e1904ef36563289c123f7856ba84c0c73a3d . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.trendmicro.com/crl/tms2ca.crl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (5 bits) 03a8 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.earth.ox.ac.uk' . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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